.typeArea {
    width: 1190px;
    /* background-color: pink; */
    margin: 0 auto;
}

.banner_box {
    width: 1190px;
    height: 420px;
    height: auto;
    position: relative;
    cursor: pointer;
}

.img-box {
    width: 100%;
    height: 420px;
}

.img-box>img {
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

.img-box>img:first-child {
    display: block;

}

.banner_box>.nav_box {
    position: absolute;
    top: 350px;
    left: 50%;
    width: 165px;
    height: 20px;
    margin-left: -84px;
    z-index: 10;
}

.banner_box li {
    position: relative;
    width: 15px;
    height: 15px;
    border: 3px solid #ccc;
    border-radius: 15px;
    z-index: 10;
    float: left;
    margin-right: 15px;
    cursor: pointer;
}

.banner_box li:last-child {
    margin-right: 0
}

.banner_box li:hover {
    background-color: red;
}

.active {
    background-color: red;
}

.title_img {
    width: 1190px;
    height: 75px;
    margin: 20px auto 0;
}

/* 下面是tab切换 */
.tab_nav>ul {
    overflow: hidden;
    width: 904px;
    padding: 20px 0 20px 20px;
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
}

.tab_nav li {
    float: left;
    width: 226px;
    height: 40px;
    position: relative;
    cursor: pointer;

}

.tab_nav li:last-child {
    width: 206px;
}

.line {
    width: 226px;
    height: 3px;
    background-color: red;
    position: absolute;
    top: 58px;
    left: -20px;
    display: none;
}

.triangle {
    border: 5px solid transparent;
    border-bottom: 5px solid red;
    position: absolute;
    top: -10px;
    left: 47%;
    /* display: none; */
}

.title {
    color: #37060a;
    font-family: "Microsoft YaHei";
    font-size: 22px;
    vertical-align: 4px;
    margin-left: 5px;
}

.tab_nav li:first-child span {
    color: red;
    margin-left: 30px
}

.activeLine {
    display: block;
}

.tab_nav li:hover .line {
    display: block;
}

.tab_nav li:hover .title {
    color: red;
}
.tab_nav li:nth-child(2):hover i{
    background: url("../../images/images-dc/dc_list/sprites.png") no-repeat -94px -0px;
}
.tab_nav li:nth-child(3):hover i{
    background: url("../../images/images-dc/dc_list/sprites.png") no-repeat -0px -0px;
}
.tab_nav li:nth-child(4):hover i{
    background: url("../../images/images-dc/dc_list/sprites.png") no-repeat -49px -0px;
}